HM51W16405 Series, HM51W17405 Series
Pin Arrangement
HM51W17405S/LS Series
HM51W17405TS/LTS Series
EO
V
CC
I/O1
I/O2
WE
RAS
NC
A10
A0
A1
A2
A3
V
CC
1
2
3
4
5
6
26
25
24
23
22
21
V
SS
I/O4
I/O3
CAS
OE
A9
V
CC
I/O1
I/O2
WE
RAS
NC
1
2
3
4
5
6
26
25
24
23
22
21
V
SS
I/O4
I/O3
CAS
OE
A9
Pin Description
Pin name
A0 to A10
Function
Address input
— Row/Refresh address A0 to A10
— Column address
A0 to A10
Data input/Data output
Row address strobe
Column address strobe
Read/Write enable
Output enable
Power supply
Ground
No connection
LP
8
9
19
18
17
16
15
14
A8
A7
A6
A5
A4
10
11
12
13
V
SS
(Top view)
A10
A0
A1
A2
A3
8
9
10
11
12
13
19
18
17
16
15
14
A8
A7
A6
A5
A4
V
SS
ro
V
CC
(Top view)
du
ct
I/O1 to I/O4
RAS
CAS
WE
OE
V
CC
V
SS
NC
Data Sheet E0152H10
4